zbuffer.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include "zbuffer.h"

Go to the source code of this file.

Macros
#define	RGB16_TO_RGB32(p0, p1, v)
#define	RGB16_TO_RGB24(p0, p1, p2, v1, v2)

Functions
ZBuffer *	ZB_open (int xsize, int ysize, int mode, int nb_colors, unsigned char *color_indexes, int *color_table, void *frame_buffer)
void	ZB_close (ZBuffer *zb)
void	ZB_resize (ZBuffer *zb, void *frame_buffer, int xsize, int ysize)
void	ZB_copyFrameBuffer (ZBuffer *zb, void *buf, int linesize)
void	memset_s (void *adr, int val, int count)
void	memset_l (void *adr, int val, int count)
void	memset_RGB24 (void *adr, int r, int v, int b, long count)
void	ZB_clear (ZBuffer *zb, int clear_z, int z, int clear_color, int r, int g, int b)

Macro Definition Documentation

RGB16_TO_RGB24

#define RGB16_TO_RGB24	(		p0,
			p1,
			p2,
			v1,
			v2
	)

Value:

{\
    unsigned int r1,g1,b1,gb1,g2,b2,gb2;\
    v1 = (v1 << 16) | (v1 >> 16);\
    v2 = (v2 << 16) | (v2 >> 16);\
    r1 = (v1 & 0xF800F800);\
    g1 = (v1 & 0x07E007E0) << 5;\
    b1 = (v1 & 0x001F001F) << 3;\
    gb1 = g1 | b1;\
    p0 = ((gb1 & 0x0000FFFF) << 8) | (r1 << 16) | (r1 >> 24);\
    g2 = (v2 & 0x07E007E0) << 5;\
    b2 = (v2 & 0x001F001F) << 3;\
    gb2 = g2 | b2;\
    p1 = (gb1 & 0xFFFF0000) | (v2 & 0xF800) | ((gb2 >> 8) & 0xff);\
    p2 = (gb2 << 24) | ((v2 & 0xF8000000) >> 8) | (gb2 >> 16);\
}

Definition at line 205 of file zbuffer.c.

RGB16_TO_RGB32

#define RGB16_TO_RGB32	(		p0,
			p1,
			v
	)

Value:

{\
    unsigned int g,b,gb;\
    g = (v & 0x07E007E0) << 5;\
    b = (v & 0x001F001F) << 3;\
    gb = g | b;\
    p0 = (gb & 0x0000FFFF) | ((v & 0x0000F800) << 8);\
    p1 = (gb >> 16) | ((v & 0xF8000000) >> 8);\
}

Definition at line 141 of file zbuffer.c.

Function Documentation

memset_l()

void memset_l	(	void *	adr,
		int	val,
		int	count
	)

Definition at line 437 of file zbuffer.c.

memset_RGB24()

void memset_RGB24	(	void *	adr,
		int	r,
		int	v,
		int	b,
		long	count
	)

Definition at line 459 of file zbuffer.c.

memset_s()

void memset_s	(	void *	adr,
		int	val,
		int	count
	)

Definition at line 413 of file zbuffer.c.

ZB_clear()

void ZB_clear	(	ZBuffer *	zb,
		int	clear_z,
		int	z,
		int	clear_color,
		int	r,
		int	g,
		int	b
	)

Definition at line 489 of file zbuffer.c.

ZB_close()

void ZB_close

(

ZBuffer *

zb

)

Definition at line 75 of file zbuffer.c.

ZB_copyFrameBuffer()

void ZB_copyFrameBuffer	(	ZBuffer *	zb,
		void *	buf,
		int	linesize
	)

Definition at line 274 of file zbuffer.c.

ZB_open()

ZBuffer * ZB_open	(	int	xsize,
		int	ysize,
		int	mode,
		int	nb_colors,
		unsigned char *	color_indexes,
		int *	color_table,
		void *	frame_buffer
	)

Definition at line 12 of file zbuffer.c.

ZB_resize()

void ZB_resize	(	ZBuffer *	zb,
		void *	frame_buffer,
		int	xsize,
		int	ysize
	)

Definition at line 89 of file zbuffer.c.